Sung Joon

Choi Gyu Seok / Choi Goon

김창환

Jae Ho

Jung Young-ki

Jeong Gun

Lee Jae-won

Nok Yong

구재이

Yun Jeong

Choi Tae-hwan

Sang Jin

Seo Hyun-chul

President Lee

Mahbub Alam

Almon

Um Tae-goo

"Hyung Nim"

이희준

[Gyu Seok's cousin]

전성애

[Gyu Seok's aunt]

이대연

[Landlord]

Park Yong-yeon

[Stalker]

Son San